Vello ShutterBoss II User Manual page 17

Beep
The ShutterBoss will emit a beep to confirm
settings and for the last three seconds of a
countdown delay or interval. To turn off the
beep, follow these instructions.
1. Use the button to move the cursor
under BEEP.
2. Press the SET button. The beep indicator
will blink on the LCD.
3. Use the
or arrows to turn off the
beep.
4. Press SET to confirm.
Cursor
SELF LONG INTV No. BEEP
Audible Beep OFF
17